2024-01-08_9c74d17ba9798721cdc4d15548405218_ryuk

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General

Target

2024-01-08_9c74d17ba9798721cdc4d15548405218_ryuk
Size

131KB
MD5

9c74d17ba9798721cdc4d15548405218
SHA1

766ca0ac6543a7c3722e578b53dd254f593017dd
SHA256

3daed2970c3c9612b98ff139d7ecebbe0d14df77c4f5cf315882124074accae2
SHA512

c405fe1a828f23fea4638f57d7ed8458cc18d0b47e5e36960316e7e81e8eb929b06c712ca9e61085828988afff7236a94365e061fdd7a3a254782f88121bdca9
SSDEEP

3072:ZJ6LreJaFaWo1newc1iOKyMZUHVchVlA:Z4bFT75QO2TG

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
2024-01-08_9c74d17ba9798721cdc4d15548405218_ryuk

Files

2024-01-08_9c74d17ba9798721cdc4d15548405218_ryuk
.exe windows:6 windows x64 arch:x64

dc61a1e84af97f1831dc756c04279b46

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE

Imports

opensc

sc_notify_init
sc_hex_to_bin
sc_lock
sc_wait_for_event
sc_detect_card_presence
sc_connect_card
sc_ctx_get_reader_count
sc_ctx_get_reader_by_name
sc_ctx_get_reader
sc_ctx_detect_readers
sc_card_ctl
sc_verify
sc_unlock
sc_disconnect_card
sc_set_card_driver
sc_release_context
sc_context_create
sc_strerror

kernel32

ExitProcess
WriteConsoleW
HeapReAlloc
HeapSize
GetProcessHeap
GetStringTypeW
SetStdHandle
SetEnvironmentVariableW
FreeEnvironmentStringsW
GetEnvironmentStringsW
MultiByteToWideChar
GetCPInfo
GetOEMCP
GetACP
IsValidCodePage
FindNextFileW
FindFirstFileExW
FindClose
RtlCaptureContext
RtlLookupFunctionEntry
RtlVirtualUnwind
UnhandledExceptionFilter
SetUnhandledExceptionFilter
GetCurrentProcess
TerminateProcess
IsProcessorFeaturePresent
QueryPerformanceCounter
GetCurrentProcessId
GetCurrentThreadId
GetSystemTimeAsFileTime
InitializeSListHead
IsDebuggerPresent
GetStartupInfoW
GetModuleHandleW
RtlUnwindEx
GetLastError
SetLastError
EnterCriticalSection
LeaveCriticalSection
DeleteCriticalSection
InitializeCriticalSectionAndSpinCount
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
FreeLibrary
GetProcAddress
LoadLibraryExW
RaiseException
GetModuleHandleExW
GetConsoleCP
GetStdHandle
WriteFile
GetModuleFileNameW
GetCommandLineA
GetCommandLineW
HeapFree
HeapAlloc
CompareStringW
LCMapStringW
GetFileType
GetFileSizeEx
SetFilePointerEx
FlushFileBuffers
GetConsoleMode
WideCharToMultiByte
CreateFileW
CloseHandle

Sections

.text
Size: 77KB - Virtual size: 77KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 40KB - Virtual size: 39KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 4KB - Virtual size: 8KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 4KB - Virtual size: 4KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.gfids
Size: 512B - Virtual size: 168B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rsrc
Size: 1KB - Virtual size: 1KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 2KB - Virtual size: 1KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

dc61a1e84af97f1831dc756c04279b46

Headers

DLL Characteristics

File Characteristics

Imports

opensc

kernel32

Sections

.text Size: 77KB - Virtual size: 77KB

.rdata Size: 40KB - Virtual size: 39KB

.data Size: 4KB - Virtual size: 8KB

.pdata Size: 4KB - Virtual size: 4KB

.gfids Size: 512B - Virtual size: 168B

.rsrc Size: 1KB - Virtual size: 1KB

.reloc Size: 2KB - Virtual size: 1KB

.text
Size: 77KB - Virtual size: 77KB

.rdata
Size: 40KB - Virtual size: 39KB

.data
Size: 4KB - Virtual size: 8KB

.pdata
Size: 4KB - Virtual size: 4KB

.gfids
Size: 512B - Virtual size: 168B

.rsrc
Size: 1KB - Virtual size: 1KB

.reloc
Size: 2KB - Virtual size: 1KB